
Stiffness
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High Quality Content by WIKIPEDIA articles! Stiffness is the resistance of an elastic body to deformation by an applied force. It is an extensive material property. The displacement can, in general, refer to a point distinct from that where the force is applied and a complicated structure will not deflect purely in the same direction as an applied force. The stiffness matrix enables such systems to be characterised in straightforward terms. The inverse of stiffness is compliance, typically measured in units of metres per newton. In rheology it may be defined as the ratio of strain to stress, a...
High Quality Content by WIKIPEDIA articles! Stiffness is the resistance of an elastic body to deformation by an applied force. It is an extensive material property. The displacement can, in general, refer to a point distinct from that where the force is applied and a complicated structure will not deflect purely in the same direction as an applied force. The stiffness matrix enables such systems to be characterised in straightforward terms. The inverse of stiffness is compliance, typically measured in units of metres per newton. In rheology it may be defined as the ratio of strain to stress, and so take the units of reciprocal stress, e.g. 1/Pa.